Fuels and Combustion Oxygen percentage (by weight) in atmospheric air is 23 21 29 19 23 21 29 19 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal? Vitrain Fussain Durain Clarain Vitrain Fussain Durain Clarain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high __________ content, would ignite most easily. Fixed carbon Volatile matter Oxygen Ash Fixed carbon Volatile matter Oxygen Ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of coal charge for the coke ovens reduces the Yield of gas and tar Fuel consumption in coking All of these Time of carbonisation Yield of gas and tar Fuel consumption in coking All of these Time of carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has Higher calorific value Both A & B Neither A nor B Lower hydrogen content Higher calorific value Both A & B Neither A nor B Lower hydrogen content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene recovered from coke oven gas is used As moisture proof coating on fibres As moth balls (insecticides) As a fuel in furnaces For making electrodes As moisture proof coating on fibres As moth balls (insecticides) As a fuel in furnaces For making electrodes ANSWER DOWNLOAD EXAMIANS APP
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